Finding the Third Proportional to 173,228.50 and 379,559

Step by Step Solution

1. Step 1: Write the proportion equation
   173,228.50 : 379,559 = 379,559 : x
2. Step 2: Convert to fraction form
   173,228.50/379,559 = 379,559/x
3. Step 3: Cross multiply
   173,228.50x = 379,559 × 379,559
4. Step 4: Simplify right side
   173,228.50x = 144,065,034,481
5. Step 5: Solve for x
   x = 144,065,034,481/173,228.50
6. Step 6: Final answer
   x = 831,647.42